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require File.expand_path('../../../spec_helper', __FILE__)
describe "Regexp#options" do
it "returns a Fixnum bitvector of regexp options for the Regexp object" do
/cat/.options.should be_kind_of(Fixnum)
not_supported_on :opal do
/cat/ix.options.should be_kind_of(Fixnum)
end
end
it "allows checking for presence of a certain option with bitwise &" do
(/cat/.options & Regexp::IGNORECASE).should == 0
(/cat/i.options & Regexp::IGNORECASE).should_not == 0
(/cat/.options & Regexp::MULTILINE).should == 0
(/cat/m.options & Regexp::MULTILINE).should_not == 0
not_supported_on :opal do
(/cat/.options & Regexp::EXTENDED).should == 0
(/cat/x.options & Regexp::EXTENDED).should_not == 0
(/cat/mx.options & Regexp::MULTILINE).should_not == 0
(/cat/mx.options & Regexp::EXTENDED).should_not == 0
(/cat/xi.options & Regexp::IGNORECASE).should_not == 0
(/cat/xi.options & Regexp::EXTENDED).should_not == 0
end
end
it "returns 0 for a Regexp literal without options" do
//.options.should == 0
/abc/.options.should == 0
end
it "raises a TypeError on an uninitialized Regexp" do
lambda { Regexp.allocate.options }.should raise_error(TypeError)
end
it "includes Regexp::FIXEDENCODING for a Regexp literal with the 'u' option" do
(//u.options & Regexp::FIXEDENCODING).should_not == 0
end
it "includes Regexp::FIXEDENCODING for a Regexp literal with the 'e' option" do
(//e.options & Regexp::FIXEDENCODING).should_not == 0
end
it "includes Regexp::FIXEDENCODING for a Regexp literal with the 's' option" do
(//s.options & Regexp::FIXEDENCODING).should_not == 0
end
it "does not include Regexp::FIXEDENCODING for a Regexp literal with the 'n' option" do
(//n.options & Regexp::FIXEDENCODING).should == 0
end
it "includes Regexp::NOENCODING for a Regexp literal with the 'n' option" do
(//n.options & Regexp::NOENCODING).should_not == 0
end
end
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